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Retrofit comfort telephony wiring harness - AN82.70-P-0008-01EWC

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MODEL 212.0## 1# as of 6/1/10 as of model year 2011 in vehicle 

Connection scheme 

Fig 1: Comfort Telephony Wiring Harness Connection Schematic Diagram
G10240090Courtesy of MERCEDES-BENZ USA

Routing diagram 

Fig 2: Comfort Telephony Wiring Harness Connection Routing Diagram
G10240091Courtesy of MERCEDES-BENZ USA
  1. Route blue line (BU) of comfort telephony wiring harness, as shown, to the left next to the selector lever module in the slot of the removed audio component.
  2. Release lock (11) at black 44- pin connector (9) and insert blue line (BU) into contact cavity "13" at black 44-pin connector (9).
  3. Relock lock (11) at black 44-pin connector (9).
    Fig 3: Black 44- Pin Connector Lock And Coupling
    G10240092Courtesy of MERCEDES-BENZ USA
  4. Fix blue line (BU) of comfort telephony wiring harness in place with felt tape (arrow A) at center console (2).
  5. Fix blue line (BU) of comfort telephony wiring harness in place at vehicle wiring harness using cable tie (arrow B).
  6. Open cover (12) of cable duct (13).
  7. Route comfort telephony wiring harness (1) from center console (2) to cable duct (13) of left frame floor assembly, as shown.

    IMPORTANT Ensure sufficient clearance of comfort telephony wiring harness (1) below rear floor covering (14).

    Fig 4: Routing Comfort Telephony Wiring Harness From Center Console To Cable Duct
    G10240093Courtesy of MERCEDES-BENZ USA
  8. Route brown line (BN) of comfort telephony wiring harness (1) as shown toward front in cable duct (13).
  9. Route antenna line (15) and red/green line (RD/GN) of comfort telephony wiring harness (1) as shown toward rear in cable duct (13).
  10. Route antenna line (15) and red/green line (RD/GN) through cable duct (16) toward rear using pull-through device.
  11. Install brown line (BN) of comfort telephony wiring harness at left front seat crossmember ground point (W18).
  12. Form loops with excess length of brown line (BN) next to left front seat crossmember ground point (W18) and fix in place with felt tape (17).
  13. Close cover (12) of cable duct.
    Fig 5: Cover And Felt Tape
    G10240094Courtesy of MERCEDES-BENZ USA
  14. Open cover of cable duct (23) in rear and route antenna line (15) and red/green line (RD/GN) into this.
  15. Wrap felt tape around red/green line (RD/GN) behind cable duct (23) over a length of 2000 mm.
    Fig 6: Cable Duct And Antenna Line
    G10240095Courtesy of MERCEDES-BENZ USA
  16. Route antenna line (15) as shown along vehicle wiring harness (24) to C-pillar and fix in place with cable ties (25).
  17. Route red/green line (RD/GN) as shown behind rear seat backrest.
    Fig 7: Antenna Line, Vehicle Wiring Harness And Cable Ties
    G10240096Courtesy of MERCEDES-BENZ USA
  18. Route red/green line (RD/GN) as shown along vehicle wiring harness to rear SAM control unit with fuse and relay module (N10/2) and fix in place with cable ties (arrows C).

    IMPORTANT Route red/green line (RD/GN) through cable duct (26).

    Fig 8: Locating Cable Ties
    G10240097Courtesy of MERCEDES-BENZ USA
  19. Release locks (arrows D) and remove green 7-pin fuse carrier (27) from rear SAM control unit with fuse and relay module (N10/2).

    Only on vehicles in which the green 7-pin fuse carrier (27) is installed.

    Fig 9: Release Locks And Remove Green 7-Pin Fuse Carrier From Rear SAM Control Unit
    G10240098Courtesy of MERCEDES-BENZ USA
  20. Release fuses (arrows G and H) at green 7-pin fuse carrier (27).

    IMPORTANT On vehicles in which the green 7-pin fuse carrier (27) is already installed in the vehicle, this is used. Otherwise the green 7-pin fuse carrier (27) included in the package contents is to be used.

  21. Install red/green line (RD/GN) in contact cavity "1" at green 7-pin fuse carrier (27).

    IMPORTANT The numbering of the slots can be found on the rear on the green 7-pin fuse carrier (27).

    Fig 10: Releasing Fuses At Green 7-Pin Fuse Carrier
    G10240099Courtesy of MERCEDES-BENZ USA
  22. Lock fuses (arrows G and H) at green 7-pin fuse carrier (27).
  23. Clip in green 7-pin fuse carrier (27) in the slot of the same color at rear SAM control unit with fuse and relay module (N10/2).
  24. Insert fuse 81 (N10/2f81) with a strength of 7.5 A in contact cavity "1" at green 7-pin fuse carrier (27).
    Fig 11: Green 7-Pin Fuse Carrier And Rear SAM Control Unit
    G10240100Courtesy of MERCEDES-BENZ USA
  25. Route antenna line (15) in cable duct (29) to headliner (28).
  26. Remove cover of headliner (28).
  27. Route antenna line (15) behind headliner (28) to multifunction antenna (A28/11) using a pull-through device.

    NOTES Make sure that unobstructed movement of the windowbag is ensured.

    Otherwise a malfunction may occur.

    Fig 12: Multifunction Antenna, Cable Duct And Headliner
    G10240101Courtesy of MERCEDES-BENZ USA
  28. Connect black 1-pin connector of antenna line (15) to black slot of multifunction antenna (A28/11).
  29. Reinstall cover of headliner (28).
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